Remote Agent fails to start due to Nant plugin (FreeBSD, AIX, ao)

Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.atlassian.bamboo.plugin.dotnet.nant.NantCapabilityDefaultsHelper': Instantiation of bean failed; nested exception is java.lang.UnsatisfiedLinkError: JNA native support (com/sun/jna/freebsd-amd64/libjnidispatch.so) not found in resource path (bamboo-agent-5.5.0.jar)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:451)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:246)
at com.atlassian.spring.container.SpringContainerContext.createCompleteComponent(SpringContainerContext.java:90)
at com.atlassian.bamboo.plugin.descriptor.AbstractBambooModuleDescriptor.instantiateClass(AbstractBambooModuleDescriptor.java:131)
at com.atlassian.bamboo.plugin.descriptor.TaskModuleDescriptorImpl$2.create(TaskModuleDescriptorImpl.java:78)
at com.atlassian.bamboo.plugin.descriptor.TaskModuleDescriptorImpl$2.create(TaskModuleDescriptorImpl.java:71)
at com.atlassian.util.concurrent.ResettableLazyReference$InternalReference.create(ResettableLazyReference.java:140)
at com.atlassian.util.concurrent.LazyReference$Sync.run(LazyReference.java:321)
at com.atlassian.util.concurrent.LazyReference.getInterruptibly(LazyReference.java:143)
... 30 more
Caused by: java.lang.UnsatisfiedLinkError: JNA native support (com/sun/jna/freebsd-amd64/libjnidispatch.so) not found in resource path (bamboo-agent-5.5.0.jar)
at com.sun.jna.Native.loadNativeLibraryFromJar(Native.java:763)
at com.sun.jna.Native.loadNativeLibrary(Native.java:737)
at com.sun.jna.Native.<clinit>(Native.java:129)
at com.sun.jna.Platform.<clinit>(Platform.java:102)
at com.atlassian.bamboo.plugin.dotnet.nant.NantCapabilityDefaultsHelper.<clinit>(NantCapabilityDefaultsHelper.java:20)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:85)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:61)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:752)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:717)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:386)
... 38 more